During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

Scientists believe that the weak magnetic field let a lot of ... a two-billion-year-old rock suggested that the magnetic field was just as strong as it is now. Sign up for Chip Chick’s ...

Exposure to weak magnetic fields can, depending on their strength, either slow or boost flatworm regeneration, according to a report in Science Advances today (January 30). The study provides evidence ...

The company has developed an ultra-sensitive atomic magnetometer which can detect weak magnetic fields generated by the body, with previously untapped applications for healthcare and biomedical ...

Many astronomers believe a strong magnetic field is a requirement for life. But events like the Laschamps excursion show that life on Earth endured even when the field was weak. Studying these ...